reiland
Post on 12-Jan-2015
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Crazy About Caffeine
Science Problem
How does caffeine affect a person's heart rate?
Hypothesis
Based on the research, chocolate ice cream will make a person's heart rate go faster.
Materials
Chocolate ice cream (Breyer's)
Vanilla ice cream (Breyer's)
Timer
Ice cream scooper
book
2 bowls
spoon
Procedure1. Gather materials 2. Create data chart to record your results 3. Take initial heart rate reading 4.Put 1 scoop of chocolate ice cream into
bowl 5. Eat ice cream 6. Read book for 5 minutes 7. Check heart rate and record results 8. Repeat steps 3-6 9 more times (wait 1 hour
in between trials 9. Repeat steps 3-6 10 times with vanilla ice
cream (wait 1 hour in between).
Results
The average rise in heart rate for chocolate was 3.8 bpm. the average
rise in heart rate was -4.5 bpm.
Conclusion
The hypothesis was proven to be correct.
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